CVE-2021-30471
First published: Thu Apr 08 2021(Updated: )
A flaw was found in PoDoFo 0.9.7. An uncontrolled recursive call in PdfNamesTree::AddToDictionary function in src/podofo/doc/PdfNamesTree.cpp can lead to a stack overflow.
Credit: patrick@puiterwijk.org patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/libpodofo | <=0.9.7+dfsg-2<=0.9.8+dfsg-3<=0.9.8+dfsg-3.2 | |
| PoDoFo | =0.9.7 | |
| Red Hat Enterprise Linux | =7.0 | |
| Fedora | =33 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1947441
- https://sourceforge.net/p/podofo/tickets/131/
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947642
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947643
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1947641
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30471
- https://nvd.nist.gov/vuln/detail/CVE-2021-30471
- https://launchpad.net/bugs/cve/CVE-2021-30471
- https://security-tracker.debian.org/tracker/CVE-2021-30471
- https://ubuntu.com/security/CVE-2021-30471
Frequently Asked Questions
What is the severity of CVE-2021-30471?
CVE-2021-30471 has a severity level that may lead to significant operational impacts due to the potential for stack overflow.
How do I fix CVE-2021-30471?
To address CVE-2021-30471, update PoDoFo to a version above 0.9.7 or apply relevant security patches provided by the distribution.
What software is affected by CVE-2021-30471?
CVE-2021-30471 affects PoDoFo versions 0.9.7 as well as specific packages such as libpodofo on Debian and Fedora systems.
What type of flaw is identified in CVE-2021-30471?
CVE-2021-30471 is characterized by an uncontrolled recursive call causing a stack overflow in the PdfNamesTree::AddToDictionary function.
Can CVE-2021-30471 lead to remote code execution?
While CVE-2021-30471 primarily results in a stack overflow, it does not directly indicate the potential for remote code execution.
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